diff --git a/universal7885-common/apps/aidl-support/fm/default/FMDevControl.cpp b/universal7885-common/apps/aidl-support/fm/default/FMDevControl.cpp
index c3c3dfb..24157ad 100644
--- a/universal7885-common/apps/aidl-support/fm/default/FMDevControl.cpp
+++ b/universal7885-common/apps/aidl-support/fm/default/FMDevControl.cpp
@@ -37,7 +37,9 @@ namespace aidl::vendor::eureka::hardware::fmradio {
 }
 
 ::ndk::ScopedAStatus FMDevControl::getValue(GetType type, int *_aidl_return) {
-	RETURN_IF_FAILED_LOCK;
+	if (type != GetType::GET_TYPE_FM_MUTEX_LOCKED) {
+		RETURN_IF_FAILED_LOCK;
+	}
 	assert(fd > 0);
 	switch (type) {
 		case GetType::GET_TYPE_FM_FREQ:
@@ -85,7 +87,9 @@ namespace aidl::vendor::eureka::hardware::fmradio {
 		default:
 			break;
 	};
-	lock.unlock();
+	if (type != GetType::GET_TYPE_FM_MUTEX_LOCKED) {
+		lock.unlock();
+	}
 	return ::ndk::ScopedAStatus::ok();
 }
 
diff --git a/universal7885-common/apps/aidl-support/fm/default/FMSupport.cpp b/universal7885-common/apps/aidl-support/fm/default/FMSupport.cpp
index bbb541b..df1f715 100644
--- a/universal7885-common/apps/aidl-support/fm/default/FMSupport.cpp
+++ b/universal7885-common/apps/aidl-support/fm/default/FMSupport.cpp
@@ -33,7 +33,9 @@ constexpr const char *FM_FREQ_SEEK = FM_SYSFS_BASE "/radio_freq_seek";
 ::ndk::ScopedAStatus FMSupport::open(void) { NOT_SUPPORTED; }
 
 ::ndk::ScopedAStatus FMSupport::getValue(GetType type, int *_aidl_return) {
-  RETURN_IF_FAILED_LOCK;
+  if (type != GetType::GET_TYPE_FM_MUTEX_LOCKED) {
+    RETURN_IF_FAILED_LOCK;
+  }
   switch (type) {
   case GetType::GET_TYPE_FM_FREQ:
     *_aidl_return = FileIO::readline(FM_FREQ_CTL);
@@ -76,7 +78,9 @@ constexpr const char *FM_FREQ_SEEK = FM_SYSFS_BASE "/radio_freq_seek";
   default:
     break;
   };
-  lock.unlock();
+  if (type != GetType::GET_TYPE_FM_MUTEX_LOCKED) {
+    lock.unlock();
+  }
   return ndk::ScopedAStatus::ok();
 }
 ::ndk::ScopedAStatus FMSupport::setValue(SetType type, int value) {